Add handling of local routes to filters.

filter.c

@@ -216,6 +216,8 @@ parse_filter(gnc_t gnc, void *closure)
             if(c < -1)
                 goto error;
             filter->proto = proto;
+        } else if(strcmp(token, "local") == 0) {
+            filter->proto = PROTO_LOCAL;
         } else if(strcmp(token, "if") == 0) {
             char *interface;
             c = getword(c, &interface, gnc, closure);
@@ -420,6 +422,8 @@ filter_match(struct filter *f, const unsigned char *id,
     if(f->proto) {
         if(!proto || f->proto != proto)
             return 0;
+    } else if(proto == PROTO_LOCAL) {
+        return 0;
     }
     return 1;
 }